Home / 793,109.75-1,189,412.71-260,506.80

Finding the Fourth Proportional to 793,109.75, 1,189,412.71 and 260,506.80

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Solution

The fourth proportional to 793,109.75, 1,189,412.71 and 260,506.80 is: 390,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,109.75 : 1,189,412.71 = 260,506.80 : x
  2. Step 2: Convert to fraction form
    793,109.75/1,189,412.71 = 260,506.80/x
  3. Step 3: Cross multiply
    793,109.75x = 1,189,412.71 × 260,506.80
  4. Step 4: Simplify right side
    793,109.75x = 309,850,098,310.16
  5. Step 5: Solve for x
    x = 309,850,098,310.16/793,109.75
  6. Step 6: Final answer
    x = 390,677.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.